Oasis, Texas Brewing’s 2 Year Anniversary, 12 p.m. Saturday. Rain or shine, the Lake Travis brewery will have special tappings, including a cask of He-Man Session Hater. There will also be live music, food and more.

Cider Fest at the Whip In, 1 p.m. Saturday, Aug. 20. More than 15 draft ciders, special bottles and curated flights of cider from both around the globe and closer to home await at this celebration. Plus, local ciders Argus and Texas Keeper will be on hand for a Q&A.

The Spider House 20th Anniversary Festival, 2 p.m. Saturday, Aug. 20. One of Austin’s few remaining oases of “old Austin weird” is celebrating a big milestone with live music, water slide, dunk tank, custom Spider House piñata and more.

Rentsch Brewery’s 1 Year Anniversary Celebration, 12 to 10 p.m. Saturday, Aug. 27. For this party, Rentsch’s mainstay brews, Hefeweizen, Weizen Bock, IPA and Blonde will be available, along with a few special release brews and firkins tapping throughout the day.

Yard Bar 1-Year Anniversary Party, 2 to 8 p.m. Saturday, Aug. 27. Celebrate the birthday of this pooch-friendly bar and dog park with live music and top dog drink specials.

Punch Bowl Social’s Anniversary Party, 12 to 6 p.m. Sunday, Aug. 28. 100 percent of the $20 tickets are being donated to two local charities, and they get you barbecue, drink specials, carnival games and live music.